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DTIC ADA052311: Marine Fog Investigation at San Diego during CEWCOM-1976. Simultaneous Observations on Land at NOSC and by Aircraft, Ship, and Satellite during the Cooperative Experiment in West Coast Oceanography and Meteorology (Sep/Oct 76) Revealed Significant Relations between low-level vertical structure, surface air flow sea surface temperature, and area of marine fog patches.

by: Defense Technical Information Center

Publication date: 1977-10-13

Topics: DTIC Archive, Noonkester,V R, NAVAL OCEAN SYSTEMS CENTER SAN DIEGO CA, *FOG, *MARINE METEOROLOGY, COASTAL REGIONS, OCEAN SURFACE, AIR FLOW, METEOROLOGICAL RADAR, WEATHER FORECASTING, REMOTE DETECTORS, ACOUSTIC MEASUREMENT, CALIFORNIA, INFRARED RADIATION, AIR WATER INTERACTIONS, SURFACE TEMPERATURE, ECHO RANGING, FOG DISPERSAL,

Collection: dticarchive; additional_collections

Language: English

The formation and dissipation of Santa Ana marine fog along the coast of Southern California was investigated, using multiple remote sensor data taken on land at NOSC and other data taken by means of aircraft, ship, and satellite. The simultaneous measurements provided excellent, unique data concerning the horizontal distribution of factors controlling the formation and dissipation of marine fog. Santa Ana marine fog appears to form in regions where the sea surface temperature is decreasing in the direction of air flow and where low-level convergence is present after subsidence aloft has attained a maximum. Satellite and aircraft data can provide valuable information on marine fog over the offshore regions. More information on horizontal and temporal variation in air flow and sea surface temperature must be considered to improve fog forecasts related to Santa Ana conditions along the coast of Southern California. An unusally detailed sea surface temperature pattern was obtained by aircraft IR data over the ocean near San Diego. Vertical profiles of the horizontal wind measured by acoustic techniques were found to provide valuable information on moisture distribution during one fog event. (Author)